Base | Representation |
---|---|
bin | 10000110010110101… |
… | …000110001000000000 |
3 | 1201112201121110121221 |
4 | 100302311012020000 |
5 | 243412324224304 |
6 | 12141210124424 |
7 | 1205602661560 |
oct | 206265061000 |
9 | 51481543557 |
10 | 18032648704 |
11 | 7713a61964 |
12 | 35b3120714 |
13 | 1914c22045 |
14 | c30cc8da0 |
15 | 7081a7054 |
hex | 432d46200 |
18032648704 has 80 divisors (see below), whose sum is σ = 41699116800. Its totient is φ = 7630331904.
The previous prime is 18032648693. The next prime is 18032648713. The reversal of 18032648704 is 40784623081.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251292 + ... + 314980.
It is an arithmetic number, because the mean of its divisors is an integer number (521238960).
Almost surely, 218032648704 is an apocalyptic number.
18032648704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18032648704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20849558400).
18032648704 is an abundant number, since it is smaller than the sum of its proper divisors (23666468096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18032648704 is an frugal number, since it uses more digits than its factorization.
18032648704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63793 (or 63777 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 43.
The spelling of 18032648704 in words is "eighteen billion, thirty-two million, six hundred forty-eight thousand, seven hundred four".
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